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![]() Theory predicts that higher biodiversity in the tropics is maintained by specialized interactions among plants and their natural enemies that result in conspecific negative density dependence (CNDD). By using more than 3000 species and nearly 2.4 million trees across 24 forest plots worldwide, we show that global patterns in tree species diversity reflect not only stronger CNDD at tropical versus temperate latitudes but also a latitudinal shift in the relationship between CNDD and species abundance. CNDD was stronger for rare species at tropical versus temperate latitudes, potentially causing the persistence of greater numbers of rare species in the tropics. Our study reveals fundamental differences in the nature...
Categories: Publication;
Types: Citation;
Tags: Arid environments,
D 04099 Ecosystem studies - general,
Deserts,
Ecology Abstracts,
Ecosystem dynamics,
Categories: Publication;
Types: Citation;
Tags: Abundance,
Census,
D 04672 Mammals,
Ecology Abstracts,
Population dynamics,
Categories: Publication;
Types: Citation;
Tags: Australia,
D 04680 Paleoecology,
Ecology Abstracts,
Extinction,
Human impact,
Categories: Publication;
Types: Citation;
Tags: Biological diversity,
Borneo,
Conservation,
D 04705 Conservation,
Ecology Abstracts,
Categories: Publication;
Types: Citation;
Tags: Climates,
Glaciers,
Groundwater Recharge,
Ice Cover,
Paleoclimatology,
Categories: Publication;
Types: Citation;
Tags: Climatic changes,
Economic importance,
Economics,
Environmental impact,
Government policies,
Categories: Publication;
Types: Citation;
Tags: Air pollution,
Air pollution control,
Climatic changes,
Combustion products,
Emission control,
Categories: Publication;
Types: Citation;
Tags: Aquaculture,
Aquaculture regulations,
Ecological crisis,
Economics,
Ecosystem disturbance,
Categories: Publication;
Types: Citation;
Tags: Carrying capacity,
Climatic changes,
Human Population,
Human impact,
M1 210 Human Population-Geosphere Interactions,
Categories: Publication;
Types: Citation;
Tags: Ailuropoda melanoleuca,
Biodiversity,
Biological diversity,
China, People's Rep.,
Conservation,
Categories: Publication;
Types: Citation;
Tags: Conservation,
D 04705 Conservation,
Ecology Abstracts,
Economics,
Mammalia,
Categories: Publication;
Types: Citation;
Tags: Amazonia,
Brazil,
Conservation,
Environmental protection,
Forests,
Categories: Publication;
Types: Citation;
Tags: ASFA 1: Biological Sciences & Living Resources; ASFA 3: Aqua,
Agricultural pollution,
Black Sea,
Caspian Sea,
Ecological crisis,
Categories: Publication;
Types: Citation;
Tags: ASFA 1: Biological Sciences & Living Resources; Oceanic Abst,
Biodiversity,
Computers,
Data collections,
Ecological associations,
Categories: Publication;
Types: Citation;
Tags: Biomass,
Body size,
Colonization,
Community composition,
D 04600 Soil; Z 05209 Soil entomology,
![]() Over the past 15 years, scientists and disaster responders have increasingly used satellite-based Earth observations for global rapid assessment of disaster situations. We review global trends in satellite rapid response and emergency mapping from 2000 to 2014, analyzing more than 1000 incidents in which satellite monitoring was used for assessing major disaster situations. We provide a synthesis of spatial patterns and temporal trends in global satellite emergency mapping efforts and show that satellite-based emergency mapping is most intensively deployed in Asia and Europe and follows well the geographic, physical, and temporal distributions of global natural disasters. We present an outlook on the future use...
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